This week, Bill Nye (the Science Guy) participated in a debate about the origins of matter with Ken Ham, the founder of the Creation Museum, and Jon Stewart paid tribute to Philip Seymour Hoffman on The Daily Show. ABC Family's The Fosterslaunched its web series, and BIO released a collection of videos online in honor of Black History Month. Oh, and Tara Lipinski did an amazing Big Lebowski-inspired figure skating routine. Check out those clips and more in our weekly roundup of the best online videos:

TheBig Lipinski: The creativity bar has been set, Olympic figure skaters. Check out Tara Lipinski — in full Dude costume — recreating Jeff Bridges' drug-induced hallucination from The Big Lebowski on the ice skating rink in Rockefeller Center. We give this Late Night with Jimmy Fallonsketch a 10.

The Daily Show's Philip Seymour Hoffman Moment of Zen: The acting community lost a legend this week, with Philip Seymour Hoffman dying of an apparent drug overdose Sunday at age 46. Here, Daily Show host Jon Stewart takes a somber moment to remember words of advice Hoffman once offered to young actors.

Bill Nye's creationism debate: Science Guy and Dancing with the Starsalum Bill Nye went head to head with creationist Ken Ham Tuesday night, with the two men offering opposing arguments as to whether humans were created by God or through evolution. The debate — which went on for nearly three hours — was streamed in its entirety, and you can watch the full thing below (via Tubefilter):

BIO celebrates Black History Month: In honor of Black History Month, BIO has launched the web series "American Freedom Stories: Alabama Civil Rights," which features more than 25 original short videos set around key events, locations and biographies of the Civil Rights Movement in Alabama. The channel is also hosting videos about prominent black historical figures including Medgar Evers and Jackie Robinson. Watch the "American Freedom Stories" segment on the Montgomery bus boycott below and check out all the videos here.

The Fosters web series: ABC Family launched a five-part online companion series to The Fosters this week, called The Fosters: Girls United, which will follow the residents of the Girls United group home. Check out the first installment below and the rest here:

Divergent trailer: The final full-length trailer for Divergent, based on the best-selling post-apocalyptic trilogy, debuted this week. The movie won't be released in theaters until March 21, but you can watch star Shailene Woodley tackle a dog here:

Principal's musical snow day announcement: Bored with making routine "school is closed due to snow" phone calls, an elementary school principal in Kentucky decided to team up with a drama teacher and make the announcement a little more creative. Watch the amusing local news report about his message, set to the tune of Queen's "Bohemian Rhapsody."

Portlandia tailgating: With all the hype surrounding the Super Bowl last weekend, Portlandia stars Fred Armisen and Carrie Brownstein decided to film their own tailgating party — for the radio program "A Prairie Home Companion." We're guessing it didn't include any kegstands. (via Tubefilter)